Roaches, rodents, flies, or other pests present — or doors and openings that let them in not protected.
Plumbing not installed or maintained properly — leaks, mop sink issues, unserviced water filters, or missing backflow prevention.
Shelves, counters, handles, or equipment exteriors soiled with grease, debris, or dust.
Floors, walls, ceilings, or attached equipment dirty, damaged, or poorly vented.